Home / 10,130.80-15,192.60-4,586.80

Finding the Fourth Proportional to 10,130.80, 15,192.60 and 4,586.80

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Solution

The fourth proportional to 10,130.80, 15,192.60 and 4,586.80 is: 6,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.80 : 15,192.60 = 4,586.80 : x
  2. Step 2: Convert to fraction form
    10,130.80/15,192.60 = 4,586.80/x
  3. Step 3: Cross multiply
    10,130.80x = 15,192.60 × 4,586.80
  4. Step 4: Simplify right side
    10,130.80x = 69,685,417.68
  5. Step 5: Solve for x
    x = 69,685,417.68/10,130.80
  6. Step 6: Final answer
    x = 6,878.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.